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Finding the Fourth Proportional to 638,228.20, 958,767.90 and 533,252.20

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Solution

The fourth proportional to 638,228.20, 958,767.90 and 533,252.20 is: 801,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,228.20 : 958,767.90 = 533,252.20 : x
  2. Step 2: Convert to fraction form
    638,228.20/958,767.90 = 533,252.20/x
  3. Step 3: Cross multiply
    638,228.20x = 958,767.90 × 533,252.20
  4. Step 4: Simplify right side
    638,228.20x = 511,265,091,964.38
  5. Step 5: Solve for x
    x = 511,265,091,964.38/638,228.20
  6. Step 6: Final answer
    x = 801,069.42

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